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Luis R. Rodriguez ceb1813224 firmware: enable run time change of forcing fallback loader 
Currently one requires to test four kernel configurations to test the
firmware API completely:

0)
  CONFIG_FW_LOADER=y

1)
  o CONFIG_FW_LOADER=y
  o CONFIG_FW_LOADER_USER_HELPER=y

2)
  o CONFIG_FW_LOADER=y
  o CONFIG_FW_LOADER_USER_HELPER=y
  o CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y

3) When CONFIG_FW_LOADER=m the built-in stuff is disabled, we have
   no current tests for this.

We can reduce the requirements to three kernel configurations by making
fw_config.force_sysfs_fallback a proc knob we flip on off. For kernels that
disable CONFIG_IKCONFIG_PROC this can also enable one to inspect if
CONFIG_FW_LOADER_USER_HELPER_FALLBACK was enabled at build time by checking
the proc value at boot time.

Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-20 09:28:47 +01:00
..
bpf
bpf: allow xadd only on aligned memory
2018-02-23 14:33:39 -08:00
cgroup
kernel/cpuset: current_cpuset_is_being_rebound can be boolean
2018-02-06 18:32:47 -08:00
configs
Merge tag 'kvm-4.16-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2018-02-10 13:16:35 -08:00
debug
signal: Simplify and fix kdb_send_sig
2018-01-03 18:01:08 -06:00
events
perf/core: Fix ctx_event_type in ctx_resched()
2018-03-09 08:03:02 +01:00
gcov
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq
genirq/matrix: Handle CPU offlining proper
2018-02-22 22:05:43 +01:00
livepatch
Merge branch 'for-4.16/remove-immediate' into for-linus
2018-01-31 16:36:38 +01:00
locking
rtmutex: Make rt_mutex_futex_unlock() safe for irq-off callsites
2018-03-09 11:06:16 +01:00
power
x86/power: Fix swsusp_arch_resume prototype
2018-02-02 23:33:50 +01:00
printk
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk
2018-03-01 10:06:39 -08:00
rcu
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2018-01-31 11:23:28 -08:00
sched
sched/cpufreq: Remove unused SUGOV_KTHREAD_PRIORITY macro
2018-02-13 13:04:03 +01:00
time
timers: Forward timer base before migrating timers
2018-02-28 23:34:33 +01:00
trace
bpf: fix bpf_prog_array_copy_to_user warning from perf event prog query
2018-02-14 08:59:37 -08:00
.gitignore
…
acct.c
kernel/acct.c: fix the acct->needcheck check in check_free_space()
2018-01-04 16:45:09 -08:00
async.c
kernel/async.c: revert "async: simplify lowest_in_progress()"
2018-02-06 18:32:44 -08:00
audit_fsnotify.c
…
audit_tree.c
Merge branch 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2017-11-14 14:08:20 -08:00
audit_watch.c
Merge tag 'audit-pr-20170816' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
2017-08-16 16:48:34 -07:00
audit.c
Audit: remove unused audit_log_secctx function
2017-11-10 16:08:47 -05:00
audit.h
Merge tag 'audit-pr-20171113' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
2017-11-15 13:28:48 -08:00
auditfilter.c
audit: filter PATH records keyed on filesystem magic
2017-11-10 16:08:56 -05:00
auditsc.c
Merge tag 'audit-pr-20171113' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
2017-11-15 13:28:48 -08:00
backtracetest.c
…
bounds.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
capability.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
compat.c
signals: Move put_compat_sigset to compat.h to silence hardened usercopy
2018-03-02 21:31:55 +00:00
configs.c
…
context_tracking.c
…
cpu_pm.c
PM / CPU: replace raw_notifier with atomic_notifier
2017-07-31 13:09:49 +02:00
cpu.c
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-12-31 12:30:34 -08:00
crash_core.c
kdump: write correct address of mem_section into vmcoreinfo
2018-01-13 10:42:48 -08:00
crash_dump.c
…
cred.c
…
delayacct.c
delayacct: Account blkio completion on the correct task
2018-01-16 03:29:36 +01:00
dma.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
elfcore.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
exec_domain.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
exit.c
kernel/exit.c: export abort() to modules
2018-01-04 16:45:09 -08:00
extable.c
extable: Make init_kernel_text() global
2018-02-21 16:54:06 +01:00
fail_function.c
error-injection: Support fault injection framework
2018-01-12 17:33:38 -08:00
fork.c
include/linux/sched/mm.h: re-inline mmdrop()
2018-02-21 15:35:42 -08:00
freezer.c
…
futex_compat.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
futex.c
pids: introduce find_get_task_by_vpid() helper
2018-02-06 18:32:46 -08:00
groups.c
kernel: make groups_sort calling a responsibility group_info allocators
2017-12-14 16:00:49 -08:00
hung_task.c
…
irq_work.c
irq/work: Improve the flag definitions
2018-01-08 19:43:15 +01:00
jump_label.c
extable: Make init_kernel_text() global
2018-02-21 16:54:06 +01:00
kallsyms.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk
2018-02-01 13:36:15 -08:00
kcmp.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
kcov: detect double association with a single task
2018-02-06 18:32:46 -08:00
kexec_core.c
x86/mm, kexec: Allow kexec to be used with SME
2017-07-18 11:38:04 +02:00
kexec_file.c
resource: Provide resource struct in resource walk callback
2017-11-07 15:35:57 +01:00
kexec_internal.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
kexec.c
kdump: protect vmcoreinfo data under the crash memory
2017-07-12 16:26:00 -07:00
kmod.c
kmod: move #ifdef CONFIG_MODULES wrapper to Makefile
2017-09-08 18:26:51 -07:00
kprobes.c
kprobes: Propagate error from disarm_kprobe_ftrace()
2018-02-16 09:12:58 +01:00
ksysfs.c
kexec: move vmcoreinfo out of the kernel's .bss section
2017-07-12 16:25:59 -07:00
kthread.c
treewide: Remove TIMER_FUNC_TYPE and TIMER_DATA_TYPE casts
2017-11-21 16:35:54 -08:00
latencytop.c
…
Makefile
error-injection: Support fault injection framework
2018-01-12 17:33:38 -08:00
memremap.c
memremap: fix softlockup reports at teardown
2018-03-02 19:34:50 -08:00
module_signing.c
…
module-internal.h
…
module.c
Merge tag 'modules-for-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
2018-02-07 14:29:34 -08:00
notifier.c
…
nsproxy.c
…
padata.c
padata: add SPDX identifier
2018-01-05 18:43:00 +11:00
panic.c
bug: use %pB in BUG and stack protector failure
2018-03-09 16:40:01 -08:00
params.c
kernel/params.c: improve STANDARD_PARAM_DEF readability
2017-10-03 17:54:26 -07:00
pid_namespace.c
pid: remove pidhash
2017-11-17 16:10:04 -08:00
pid.c
pids: introduce find_get_task_by_vpid() helper
2018-02-06 18:32:46 -08:00
profile.c
…
ptrace.c
pids: introduce find_get_task_by_vpid() helper
2018-02-06 18:32:46 -08:00
range.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
reboot.c
kernel/reboot.c: add devm_register_reboot_notifier()
2017-11-17 16:10:04 -08:00
relay.c
kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE
2018-02-21 15:35:43 -08:00
resource.c
Merge branch 'akpm' (patches from Andrew)
2018-02-06 22:15:42 -08:00
seccomp.c
Merge tag 'seccomp-v4.16-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux into fixes-v4.16-rc3
2018-02-22 10:50:24 -08:00
signal.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
2018-01-31 13:02:18 -08:00
smp.c
smp/core: Use lockdep to assert IRQs are disabled/enabled
2017-11-08 11:13:50 +01:00
smpboot.c
watchdog/core, powerpc: Lock cpus across reconfiguration
2017-10-04 10:53:54 +02:00
smpboot.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
softirq.c
softirq: Eliminate cond_resched_rcu_qs() in favor of cond_resched()
2017-12-04 10:28:58 -08:00
stacktrace.c
…
stop_machine.c
…
sys_ni.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sys.c
fix typo in assignment of fs default overflow gid
2017-12-14 16:01:45 -06:00
sysctl_binary.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sysctl.c
firmware: enable run time change of forcing fallback loader
2018-03-20 09:28:47 +01:00
task_work.c
locking/barriers: Convert users of lockless_dereference() to READ_ONCE()
2017-12-17 13:57:15 +01:00
taskstats.c
pids: introduce find_get_task_by_vpid() helper
2018-02-06 18:32:46 -08:00
test_kprobes.c
kprobes: Disable the jprobes test code
2017-10-20 11:02:54 +02:00
torture.c
torture: Save a line in stutter_wait(): while -> for
2017-12-11 09:18:30 -08:00
tracepoint.c
tracepoint: Remove smp_read_barrier_depends() from comment
2017-12-04 10:52:56 -08:00
tsacct.c
…
ucount.c
…
uid16.c
kernel: make groups_sort calling a responsibility group_info allocators
2017-12-14 16:00:49 -08:00
umh.c
kernel/umh.c: optimize 'proc_cap_handler()'
2017-11-17 16:10:01 -08:00
up.c
smp: Avoid using two cache lines for struct call_single_data
2017-08-29 15:14:38 +02:00
user_namespace.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2017-11-16 12:20:15 -08:00
user-return-notifier.c
…
user.c
efivarfs: Limit the rate for non-root to read files
2018-02-22 10:21:02 -08:00
utsname_sysctl.c
…
utsname.c
…
watchdog_hld.c
Merge branch 'linus' into core/urgent, to pick up dependent commits
2017-11-04 08:53:04 +01:00
watchdog.c
Merge branch 'linus' into sched/core, to pick up fixes
2017-11-08 10:17:15 +01:00
workqueue_internal.h
Merge branch 'for-4.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
2017-11-06 12:26:49 -08:00
workqueue.c
Merge tag 'drm-misc-fixes-2018-02-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
2018-02-22 08:39:26 +10:00